Happyfeet

Wednesday, March 21, 2007

The top of the world is melting

There's been a debate burning for years about the causes of global warming, but the scientists you're about to meet say the debate is over. The seas are rising, the earth is getting hotter and polar bears may be headed toward extinction. What does the melting Arctic look like? 60 Minutes Correspondent Scott Pelley went north to see.
click here...
posted by Happy feet at 1:52 PM

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